box-to-box redundancy and ARP question

In a box-to-box failover scenario are the MAC addresses of both active and standby CSS11503s supposed to match up? The reason I ask relates to an issue where without clearing the ARP cache on the Default GW (a PIX with a default ARP timeout of 240 minutes) all services were unreachable via the VIPs.

Prerequisites
VMware Trunk Port Group is supported from ACI version 2.1
VMM integration must be configured properly
ASA device package must be uploaded to APIC
ASAv version must be compatible with ACI and device package version
Configuration
C...
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PrerequisitesConfigurationVerification
I. Introduction
In the Previous articles of ACI Automation, we are using Postman/Newman as the Rest API tool to automate the ACI Configuration.
In this article I’m going to discuss on usin...
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Introduction:
One of the first steps in building your ACI Fabric is to go through Fabric Discovery. While Fabric Discovery is usually a straightforward process, there are various issues that may prevent you from discovering an ACI switch. This article wil...
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